Hamburg 2016 – scientific programme

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T: Fachverband Teilchenphysik

T 48: Supersymmetrie (theo.+exp.)

T 48.7: Talk

Tuesday, March 1, 2016, 18:15–18:30, VMP5 HS B2

Dark matter relic density from observations of supersymmetry at the ILC — •Suvi-Leena Lehtinen, Jenny List, and Mikael Berggren — DESY, Hamburg, Germany

If supersymmetric particles were discovered at the International Linear Collider (ILC), would we be able to prove that the dark matter candidate discovered is the only dark matter particle? This was investigated using a scenario with a mostly bino lightest supersymmetric particle and a coannihilating stau. In this scenario, the ILC could find the sleptons and lighter gauginos, while the LHC could discover and measure parts of the coloured spectrum. We will demonstrate which measurements and precisions are needed to determine whether the observed dark matter candidate is the sole constituent of the dark matter relic density. The required precisions will be compared to the predicted precisions at the ILC.